WO2014050521A1 - Dispositif de dissolution d'un gaz - Google Patents

Dispositif de dissolution d'un gaz Download PDF

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Publication number
WO2014050521A1
WO2014050521A1 PCT/JP2013/074218 JP2013074218W WO2014050521A1 WO 2014050521 A1 WO2014050521 A1 WO 2014050521A1 JP 2013074218 W JP2013074218 W JP 2013074218W WO 2014050521 A1 WO2014050521 A1 WO 2014050521A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
tank
liquid
liquid mixture
nozzle
Prior art date
Application number
PCT/JP2013/074218
Other languages
English (en)
Japanese (ja)
Inventor
直人 福原
澤田　善行
中野　聡
Original Assignee
ヒノデホールディングス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ヒノデホールディングス株式会社 filed Critical ヒノデホールディングス株式会社
Priority to CN201380046020.6A priority Critical patent/CN104602800A/zh
Publication of WO2014050521A1 publication Critical patent/WO2014050521A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/234—Surface aerating
    • B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237613—Ozone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material

Definitions

  • the present invention relates to a gas dissolving apparatus for dissolving a gas such as air, oxygen, ozone, etc. into a liquid.
  • Patent Document 1 discloses a gas-liquid mixing device provided with a liquid discharge means for discharging liquid. According to Patent Document 1, the liquid discharged on the liquid surface expands the contact area between the gas and the liquid, and the gas is likely to be dissolved in the liquid.
  • Patent Document 1 since the apparatus of Patent Document 1 only discharges the liquid toward the liquid surface, the amount of dissolved gas is not sufficient and there is room for improvement.
  • the problem to be solved by the present invention is to provide a gas dissolving apparatus capable of efficiently dissolving a gas in a liquid to a supersaturated state with a relatively simple structure.
  • the gas dissolving apparatus of the present invention comprises an upright columnar tank, and gas-liquid supply means for pressurizing and supplying a gas-liquid mixture obtained by mixing a gas with a liquid in the tank, and an upper part in the tank.
  • the tank is divided into two upper and lower regions by providing a partition plate with a gap between the tank and the inner peripheral surface.
  • the gas-liquid mixture in which the gas is mixed with the liquid is jetted at a high pressure from the upper side of the tank toward the bottom surface, and collides with the partition plate provided in the tank and rebounds.
  • the large bubbles rise above the tank, an upward flow is generated, and the gas-liquid mixture injected into the upward flow collides with it, and the gas-liquid mixture is vigorously stirred and refined into a liquid. Gas dissolution can be promoted.
  • the stirred gas-liquid mixture is rectified by flowing out from the gap between the partition plate and the inner peripheral surface of the tank to the lower region, and the turbulent flow can be calmed down.
  • the gas-liquid mixture injected into the tank is vigorously stirred in the tank, the gas can be efficiently dissolved in the liquid up to the supersaturated state.
  • the apparatus structure it can be set as a comparatively simple structure which only arrange
  • FIG. 1 is a conceptual diagram showing the overall configuration of a gas dissolving apparatus according to an embodiment of the present invention.
  • the gas dissolving apparatus of FIG. 1 mixes ozone with water and dissolves it.
  • Water is pressurized by the pump 10 and flows through the pipe 20.
  • the ozone gas supplied from the ozone generator 30 is mixed, and the gas-liquid mixture is injected into the tank 50 from the nozzle 40 provided at the tip of the pipe 20 while being pressurized.
  • the gas-liquid mixture is stirred in the tank 50, and the gas-liquid mixture (ozone water) in which ozone is dissolved to the supersaturated state by the stirring is taken out from the lower part of the tank 50 and taken out. Is used for sewage treatment and water purification.
  • the pump 10, the pipe 20 and the ozone generator 30 are used as gas-liquid supply means, and ozone is mixed in the middle of the pipe 20, but a two-phase flow gas-liquid mixing pump is used. It is also possible to mix ozone with water before the two-phase flow gas-liquid mixing pump, and pressurize and supply the gas-liquid mixture with the two-phase flow gas-liquid mixing pump.
  • FIG. 2 is a cross-sectional view showing the internal structure of the tank 50 in the gas mixing apparatus of FIG.
  • the tank 50 is standing upright in a columnar shape (cylindrical in the present embodiment), the nozzle 40 is disposed on the top thereof, and the partition plate 60 is disposed in the tank 50.
  • the nozzle 40 injects the gas-liquid mixture supplied via the pipe 20 radially toward the bottom surface side of the tank 50 and in a plan view.
  • the jet angle of the gas-liquid mixture from the nozzle 40 ( ⁇ in FIG. 2: spread angle) is about 0 to 30 degrees, but is not limited thereto, and the tank 50 and the inner cylinder 60 When the diameter is large, the injection angle may be expanded to about 60 degrees.
  • the partition plate 60 is disposed at a position where the gas-liquid mixture injected from the nozzle 40 into the tank 50 collides. For example, it is a position 100 to 200 mm from the tip of the nozzle 40 or a position 1/3 to 1/2 of the height of the tank 50 from the upper end of the tank 50. In addition, the partition plate 60 is disposed so as to have a gap 70 between the inner peripheral surface of the tank 50.
  • the partition plate 60 divides the tank 50 into two upper and lower regions, that is, an upper region 50a and a lower region 50b.
  • the upper region 50a and the lower region 50b communicate with each other through the gap 70.
  • a take-out pipe 51 for taking out the gas-liquid mixture (ozone water) is provided below the lower region 50b.
  • a liquid level adjustment mechanism for adjusting the liquid level in the tank 50.
  • the liquid level adjustment mechanism includes a liquid level gauge 80 that bypasses the tank 50 in the vertical direction, an optical sensor 81 that detects the liquid level of the liquid level gauge 80, and a liquid level detected by the optical sensor 81.
  • a controller 82 is provided for adjusting through an opening / closing valve 83 provided in the middle of a pipeline that bypasses the upper portion of the tank 50 and the extraction pipe 51.
  • the controller 82 adjusts the opening degree of the opening / closing valve 83 and discharges the gas accumulated in the upper part of the tank 50 to the discharge pipe 51, thereby allowing the liquid level in the tank 50, that is, light.
  • the liquid level detected by the sensor 81 is adjusted to be a constant level.
  • the liquid level in the tank 50 is set so as to be adjusted to the position of the partition plate 60.
  • a flow rate adjusting valve is provided in the pipe 20 to adjust the injection amount of the gas-liquid mixture from the nozzle 40, and a flow rate adjusting valve is provided in the connection portion between the lower part of the tank 50 and the take-out pipe 51.
  • the liquid level in the tank 50 may be adjusted by adjusting the amount of ozone water taken out from the tank.
  • the gas-liquid mixture pressurized and supplied via the pipe 20 is ejected radially from the nozzle 40 toward the bottom surface of the tank 50 and in plan view.
  • the gas-liquid mixture collides with the partition plate 60 in the tank 50. By this collision, the gas-liquid mixture rebounds, the bubbles are refined, and a large bubble rises above the tank 50 to generate an upward flow.
  • the gas-liquid mixture injected into the upward flow collides, whereby the gas-liquid mixture is vigorously stirred. Due to this stirring action, dissolution of the gas (ozone) that has been refined into the liquid (water) is promoted, the amount of ozone dissolved increases, and ozone can be efficiently dissolved to a supersaturated state.
  • the dissolution of ozone by stirring described above is performed in the upper region 50a above the partition plate 60, and the obtained ozone water flows out to the lower region 50b through the gap 70.
  • the gas-liquid mixture (ozone water) which was in the turbulent state in the upper region 50a is rectified, and the turbulent state is calmed down. Therefore, large bubbles due to turbulent flow are not caught in the ozone water taken out from the take-out pipe 51.
  • FIG. 3 is a cross-sectional view showing another embodiment of the tank 50 in the gas mixing device of the present invention.
  • the same components as those of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • an opening 61 is provided in the partition plate 60, and a vortex is generated in the gas-liquid mixture in the lower region 50b.
  • the opening 61 is provided at one location of the partition plate 60, and has a guide portion 62 for generating a vortex along the inner peripheral surface of the tank 50 in the gas-liquid mixture flowing out from the opening 61. .
  • the gas (ozone) that has been refined into the liquid (water) by stirring using the partition plate 60 is dissolved, and from the partition plate 60.
  • Ozone can be dissolved in water more efficiently by stirring by vortex in the lower region 50b below. That is, two types of stirring can be performed with one tank 50, the stirring efficiency can be improved, the installation space of the apparatus can be made compact, and the manufacturing cost can be reduced.
  • a rectifying plate 90 is disposed in the lower region 50b so as to calm the turbulent state of ozone water.
  • the partition plate 60 has a flat plate shape.
  • the gas-liquid mixture rebounds or agitates, such as by curving the upper surface of the partition plate 60, providing irregularities, or providing columnar protrusions. It can also be made into an easy shape.
  • the gas dissolving apparatus can also be used as a water treatment device for decomposing organic matter.
  • ozone is mixed with water, but it goes without saying that the liquid and gas are not limited to water and ozone.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

Cette invention concerne un dispositif de dissolution d'un gaz capable de dissoudre efficacement un gaz dans un liquide jusqu'à obtenir un état sursaturé, en utilisant une structure relativement simple. Le dispositif de dissolution d'un gaz comprend un réservoir vertical en forme de colonne (50) et un système d'approvisionnement en gaz/liquide qui met sous pression et achemine le mélange gaz/liquide constitué d'un gaz mélangé dans un liquide jusqu'au réservoir (50). Le dispositif de dissolution de l'invention comporte un embout (40) qui est situé dans la partie supérieure du réservoir (50) et qui pulvérise le mélange gaz/liquide vers le fond du réservoir (50). Le réservoir (50) comporte une séparation (60) qui est touchée par le mélange gaz-liquide pulvérisé dans le réservoir (50) par l'embout (40), et qui forme un espace vide (70) entre le périmètre interne du réservoir (50) et la séparation, et qui divise ainsi le réservoir (50) en une zone supérieure et une zone inférieure (50a, 50b).
PCT/JP2013/074218 2012-09-28 2013-09-09 Dispositif de dissolution d'un gaz WO2014050521A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380046020.6A CN104602800A (zh) 2012-09-28 2013-09-09 气体溶解装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012216892A JP2014069134A (ja) 2012-09-28 2012-09-28 気体溶解装置
JP2012-216892 2012-09-28

Publications (1)

Publication Number Publication Date
WO2014050521A1 true WO2014050521A1 (fr) 2014-04-03

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ID=50387929

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/074218 WO2014050521A1 (fr) 2012-09-28 2013-09-09 Dispositif de dissolution d'un gaz

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JP (1) JP2014069134A (fr)
CN (1) CN104602800A (fr)
WO (1) WO2014050521A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016017700A1 (fr) 2014-07-31 2016-02-04 株式会社オプトクリエーション Dispositif de lavage
CN107213835A (zh) * 2017-06-16 2017-09-29 广东大任生物科技有限责任公司 一种制备碳酸泉的装置
CN107158983A (zh) * 2017-06-16 2017-09-15 广东大任生物科技有限责任公司 一种水气混合装置
CN112915826B (zh) * 2021-02-05 2023-09-12 芜湖美的厨卫电器制造有限公司 溶气罐和热水器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003190750A (ja) * 2001-12-26 2003-07-08 Yokogawa Electric Corp 気体溶解装置
JP2007289903A (ja) * 2006-04-27 2007-11-08 Fukushima Mitsuo マイクロバブル発生装置及び風呂システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4891127B2 (ja) * 2007-03-25 2012-03-07 敏夫 宮下 マイクロバブル・炭酸泉発生装置
JP4878004B2 (ja) * 2007-05-25 2012-02-15 ヤマハリビングテック株式会社 気体溶解器および気泡発生装置
JP2009112975A (ja) * 2007-11-08 2009-05-28 Sumitomo Chemical Co Ltd 微細気泡発生装置、及び微細気泡発生方法
JP5599597B2 (ja) * 2009-10-22 2014-10-01 オルガノ株式会社 気液溶解タンク

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003190750A (ja) * 2001-12-26 2003-07-08 Yokogawa Electric Corp 気体溶解装置
JP2007289903A (ja) * 2006-04-27 2007-11-08 Fukushima Mitsuo マイクロバブル発生装置及び風呂システム

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JP2014069134A (ja) 2014-04-21
CN104602800A (zh) 2015-05-06

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